Die assembly for building block production and building block production device

Abstract

The utility model discloses a mould assembly for building block production and a building block production device, and belongs to the field of building block production devices, the mould assembly comprises a mould body, a plurality of forming grooves which are through in the height direction are arranged in the mould body, and the plurality of forming grooves respectively extend in the length direction and are arranged at intervals in the width direction; the demolding assembly is rotationally connected with the mold body, the demolding assembly is provided with a plurality of moving parts, the multiple moving parts correspond to the multiple forming grooves one to one, and the moving parts can selectively move relative to the demolding assembly; when the demolding assembly rotates to directly face the mold body in the height direction, the moving part moves relative to the demolding assembly so as to selectively enable at least part of the moving part to be contained in the corresponding forming groove. According to the mold assembly designed by the utility model, quick demolding of the building blocks after molding is realized, and the quality of the building blocks after demolding is ensured, so that the production efficiency and the production quality of the building blocks are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building block production devices, and particularly relates to a mold assembly for building block production and a building block production device. Background Art

[0002] In the related art, in the block forming process, the raw materials of the blocks are usually poured into the forming groove of the mold, and then a pressing plate is used to cooperate with the mold to press the raw materials in the forming groove into blocks. In the existing technology, the blocks will stick to the inner wall of the forming groove after being formed, which makes it impossible to demold the blocks smoothly. At this time, the staff will use wooden boards to knock the blocks to make them fall out of the forming groove, but the above method may cause damage to the surface of the blocks or even cracks. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one object of the present invention is to provide a mold assembly for block production. The mold assembly designed for block production according to the present invention enables rapid demolding of blocks after forming, while ensuring the quality of the blocks after demolding, thereby improving the production efficiency and quality of the blocks.

[0004] The utility model also provides a building block production device having the above-mentioned mold assembly for building block production.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions:

[0006] The utility model provides a mold assembly for producing building blocks, comprising: a mold body, wherein a plurality of forming grooves penetrating in the height direction are provided in the mold body, wherein the plurality of forming grooves extend in the length direction and are spaced apart in the width direction; a demolding assembly, wherein the demolding assembly is rotatably connected to the mold body, and wherein the demolding assembly has a plurality of moving parts, wherein the plurality of moving parts are respectively arranged in a one-to-one correspondence with the plurality of forming grooves, and wherein the moving parts can selectively move relative to the demolding assembly; wherein when the demolding assembly rotates to face the mold body in the height direction, the moving parts move relative to the demolding assembly so as to selectively accommodate at least a portion of themselves in the corresponding forming grooves.

[0007] According to the mold assembly for block production of the utility model, when the block is formed and adheres to the inner wall of the forming groove, the staff can rotate the demoulding assembly and move the moving part of the demoulding assembly. The moving part moves to push the block out of the forming groove, avoiding the use of knocking and other methods to demould the block, reducing damage to the block during demoulding, improving the appearance quality of the block, and thus improving the production quality of the block. At the same time, the above-mentioned arrangement can improve the demoulding efficiency of the block, thereby improving the production efficiency of the block.

[0008] Furthermore, the demoulding assembly includes: a connecting plate, which is rotatably connected to the mold body; a stripping plate, which is constructed as the moving part, and a plurality of stripping plates are respectively movably connected to the connecting plate, and the stripping plate can selectively move relative to the connecting plate in the height direction.

[0009] Furthermore, the connecting plate is provided with a plurality of connecting holes corresponding one-to-one to the plurality of stripping plates, and parts of the plurality of stripping plates are respectively movably provided in the corresponding connecting holes. The demoulding assembly also includes: a control plate, which is located on the side of the connecting plate away from the mold body; wherein one end of the plurality of stripping plates respectively passes through the corresponding connecting holes and is connected to the control plate.

[0010] Furthermore, the demoulding plate includes: a connecting part, which is movably inserted into the connecting hole, and the two ends of the connecting part are respectively located on both sides of the connecting plate in the thickness direction, and one end of the connecting part is connected to the control plate; a demoulding part, which is connected to the other end of the connecting part, and the cross-sectional area of ​​the demoulding part is larger than the cross-sectional area of ​​the connecting part.

[0011] Furthermore, the width of the forming groove is w1, and the width of the demoulding portion is w2, satisfying: 1mm≤w1-w2≤3mm.

[0012] Furthermore, one end of the connecting plate is rotatably connected to one end of the mold body, the other end of the connecting plate is provided with a first overlapping portion, and the other end of the mold body is provided with a second overlapping portion, and the first overlapping portion can selectively abut against the second overlapping portion.

[0013] The following briefly describes the block production device according to the present utility model.

[0014] The block production device according to the present invention includes: a base plate; a mold assembly, wherein the mold assembly is constructed as the mold assembly for block production described in any one of the above embodiments, wherein the mold assembly is movably connected to the base plate, and the mold assembly moves to selectively overlap the base plate; a pressing plate, wherein the pressing plate is movably arranged above the base plate, and when the mold assembly overlaps the base plate, the pressing plate moves toward the base plate in the height direction and cooperates with the mold assembly to squeeze the raw materials in the forming groove into blocks. Since the block production device according to the present invention is provided with the mold assembly for block production according to the above embodiment, the blocks produced by the block production device have high demoulding efficiency and good effect, thereby improving the production efficiency and quality of the blocks produced by the block production device.

[0015] Furthermore, a plurality of spacers corresponding to the forming grooves are provided on one side of the pressing plate facing the bottom plate, and the spacers can be selectively accommodated in the corresponding forming grooves.

[0016] Other advantages, objectives, and features of the present invention will be described in the following description and will be apparent to those skilled in the art to some extent, or they may be taught by those skilled in the art from the practice of the present invention. The objectives and other advantages of the present invention may be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the present invention is described with the following drawings:

[0018] Figure 1 This is a schematic structural diagram of the mold assembly of the present utility model;

[0019] Figure 2 An exploded view of the mold assembly, base plate, and pressure plate of the present invention;

[0020] Figure 3 It is a partial cross-sectional view of the demoulding component of the present invention.

[0021] The following are marked in the accompanying drawings:

[0022] 1. Mold assembly; 2. Base plate; 3. Press plate;

[0023] 10. Mold body; 11. Forming groove; 12. Second overlapping portion;

[0024] 20. Demolding assembly; 21. Connecting plate; 22. Demolding plate; 221. Connecting portion; 222. Demolding portion; 23. Control panel;

[0025] 31. Pressing block; 32. Spacer block. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The schematic implementation methods of the present invention and their descriptions are only used to explain the present invention and are not intended to limit the present invention.

[0027] In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention. However, it will be apparent to one skilled in the art that these specific details are not necessarily required to practice the present invention. In other instances, well-known structures, circuits, materials, or methods are not described in detail to avoid obscuring the present invention.

[0028] Throughout this specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout this specification do not necessarily refer to the same embodiment or example. In addition, the particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or subcombination. Furthermore, it will be understood by those of ordinary skill in the art that the figures provided herein are for illustrative purposes only and are not necessarily drawn to scale. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0029] In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention.

[0030] Example 1:

[0031] like Figure 1-Figure 3 As shown, the utility model provides a mold assembly 1 for block production, comprising: a mold body 10 and a demolding assembly 20, wherein a plurality of forming grooves 11 penetrating in the height direction are provided in the mold body 10, wherein the plurality of forming grooves 11 extend in the length direction and are spaced apart in the width direction, the demolding assembly 20 is rotatably connected to the mold body 10, and the demolding assembly 20 has a plurality of moving parts, wherein the plurality of moving parts are respectively arranged in a one-to-one correspondence with the plurality of forming grooves 11, and the moving parts can selectively move relative to the demolding assembly 20; wherein when the demolding assembly 20 rotates to face the mold body 10 in the height direction, the moving parts move relative to the demolding assembly 20 so as to selectively accommodate at least a portion of themselves in the corresponding forming groove 11.

[0032] In some embodiments, the mold body 10 is provided with a plurality of molding grooves 11 therein. The molding grooves 11 extend from the top to the bottom of the mold and along the length of the mold body 10. The plurality of molding grooves 11 are spaced apart from each other in the width direction. The demolding assembly 20 is connected to the mold body 10 by a rotational connection. The demolding assembly 20 has a plurality of movable parts, each of which corresponds to a molding groove 11 in the mold body 10, and the movable parts can move relative to the demolding assembly 20. When the demolding assembly 20 is rotated to be aligned vertically with the mold body 10, the movable parts can selectively move relative to the demolding assembly 20, so that part or all of the movable parts themselves enter the corresponding molding groove 11.

[0033] It can be understood that in the block forming stage, the mold body 10 is overlapped on the top of the bottom plate 2, that is, the bottom of each forming groove 11 is closed by the bottom plate 2, and the raw materials (raw ore tailings, raw ore tailings and coal gangue are mixed in a certain proportion to form raw materials) are poured into the forming groove 11 of the mold body 10, and the pressing plate 3 moves toward the bottom plate 2 in the height direction and cooperates with the mold to squeeze the raw materials in the forming groove 11 into blocks (a plurality of pressing blocks 31 are provided on the side of the pressing plate 3 facing the bottom plate 2, and the plurality of pressing blocks 31 are respectively provided in a one-to-one correspondence with the plurality of forming grooves 11. When the pressing plate 3 moves toward the bottom plate 2, the pressing blocks 31 are accommodated in the forming grooves. 11 and squeezes the raw materials in the molding groove 11. Under the action of the pressure of the pressing block 31, the raw materials can be squeezed into blocks). After the block is formed, the pressing plate 3 moves away from the mold body 10 in the height direction. At this time, the demoulding assembly 20 is rotated to align the demoulding assembly 20 with the mold body 10 in the height direction. Then, the moving part on the demoulding assembly 20 starts to move, and the moving part moves toward the molding groove 11 in the height direction and stops with the top of the block. Subsequently, the mold body 10 moves away from the bottom plate 2 in the height direction. During the movement of the mold body 10, the moving part can push the block out of the molding groove 11.

[0034] Of course, it is also possible that after the building block is formed, the pressing plate 3 moves away from the base plate 2 in the height direction, and the mold body 10 moves away from the base plate 2 in the height direction to a certain distance. At this time, the demolding assembly 20 is rotated so that the demolding assembly 20 is aligned with the mold body 10 in the height direction. Then, the moving part moves toward the forming groove 11 in the height direction and pushes the building block out of the forming groove 11.

[0035] Thus, the selective movement of the moving part can effectively help the building block to be released from the mold, avoiding the adhesion problem that may occur in the traditional method (the building block adheres to the molding groove, resulting in the building block being unable to escape from the molding groove).

[0036] It is understandable that when a block is stuck to the forming groove, the traditional method is for workers to use a wooden board or the like to knock the block out of the forming groove. However, this traditional demolding method may damage or even break the block surface. However, the mold assembly 1 of the present application can more gently push the block out of the forming groove 11 through the above-mentioned configuration, reducing the risk of block damage and improving the appearance quality of the block.

[0037] According to the mold assembly 1 for block production of the present invention, when the block is formed and adheres to the inner wall of the forming groove 11, the staff can rotate the demoulding assembly 20 and move the moving part of the demoulding assembly 20. The moving part moves to push the block out of the forming groove 11, avoiding the use of knocking and other methods to demould the block, reducing damage to the block during demoulding, improving the appearance quality of the block, and thus improving the production quality of the block. At the same time, the above-mentioned arrangement can improve the demoulding efficiency of the block, thereby improving the production efficiency of the block.

[0038] Example 2:

[0039] In this embodiment, based on the first embodiment, the demoulding assembly 20 includes: a connecting plate 21 and a demoulding plate 22. The connecting plate 21 is rotatably connected to the mold body 10. The demoulding plate 22 is constructed as a moving part. A plurality of demoulding plates 22 are respectively movably connected to the connecting plate 21. The demoulding plates 22 can selectively move relative to the connecting plate 21 in the height direction.

[0040] In some embodiments, the connecting plate 21 is pivotally connected to the mold body 10. Specifically, the connecting plate 21 can rotate about a specific axis, typically a horizontal axis, so that the connecting plate 21 can be rotated above the mold body 10 and aligned vertically with the mold body 10 to facilitate demolding. It should be noted that the primary function of the connecting plate 21 is to provide a stable foundation while ensuring that the multiple stripper plates 22 can rotate as a whole. The pivoting connection between the connecting plate 21 and the mold body 10 allows the stripper assembly 20 to rotate as a whole, thereby changing the position of the multiple stripper plates 22.

[0041] The stripper plates 22 serve as the movable part and are directly involved in the demolding process. Multiple stripper plates 22 are movably connected to the connecting plate 21, and each stripper plate 22 can move in the height direction relative to the connecting plate 21. Each stripper plate 22 corresponds to a molding groove 11. When demolding is required, the stripper plates 22 can move downward to push the molded blocks out of the molding groove 11.

[0042] According to some embodiments of the present invention, one end of the connecting plate 21 is rotatably connected to one end of the mold body 10, the other end of the connecting plate 21 is provided with a first overlapping portion, and the other end of the mold body 10 is provided with a second overlapping portion 12, and the first overlapping portion can optionally stop against the second overlapping portion 12.

[0043] In some embodiments, one end of the connecting plate 21 is connected to one end of the mold body 10 through a rotating connection (such as a hinge), so that the connecting plate 21 can rotate around the rotation point, and the other end of the connecting plate 21 is provided with a first overlapping portion, and the corresponding position of the mold body 10 is provided with a second overlapping portion 12. When the connecting plate 21 is rotated to an appropriate position (the connecting plate 21 is located above the mold body 10, and the connecting plate 21 is directly opposite to the mold body 10 in the height direction), the first overlapping portion can stop (i.e., dock) with the second overlapping portion 12.

[0044] Therefore, when the connecting plate 21 is rotated to above the mold body 10 and the connecting plate 21 is directly opposite to the mold body 10 in the height direction, the two ends of the connecting plate 21 can respectively form a supporting relationship with the mold body 10, so that the connecting plate 21 can stably support the mold body 10, and then the demoulding plate 22 can stably realize the demoulding work of the building block.

[0045] Example 3:

[0046] In this embodiment, based on the second embodiment, the connecting plate 21 is provided with a plurality of connecting holes corresponding one to one with the plurality of stripping plates 22, and portions of the plurality of stripping plates 22 are respectively movably arranged in the corresponding connecting holes. The demolding assembly 20 also includes: a control plate 23, which is located on the side of the connecting plate 21 away from the mold body 10; wherein one end of the plurality of stripping plates 22 respectively passes through the corresponding connecting holes and is connected to the control plate 23.

[0047] In some embodiments, the connecting plate 21 is provided with a plurality of connecting holes, each corresponding to a stripper plate 22. A portion of the stripper plate 22 can be movably mounted on the connecting plate 21 through these connecting holes. The design of the connecting holes allows the stripper plates 22 to move freely on the connecting plate 21. A portion of each stripper plate 22 is inserted through the connecting hole and can move up and down within the connecting hole. The inner circumferential wall of the connecting hole can restrict the outer circumferential wall of a portion of the stripper plate 22, allowing the stripper plate 22 to move stably in the vertical direction, thereby improving the demolding stability of the blocks.

[0048] The control board 23 is located on the side of the connecting plate 21 away from the mold body 10. One ends of multiple stripping plates 22 pass through the corresponding connecting holes and are connected to the control board 23. In this way, through the action of the control board 23, the movement of all stripping plates 22 can be uniformly controlled, so that multiple blocks can be demoulded at the same time, thereby improving the demoulding efficiency of the blocks. At the same time, the connection between the control board 23 and the stripping plate 22 makes the action of the stripping plate 22 more consistent and controllable, which is conducive to achieving a smooth demoulding process, making the action of the stripping plate 22 more precise and reducing the error during demoulding.

[0049] According to some embodiments of the present invention, the demolding plate 22 includes: a connecting portion 221 and a demolding portion 222, the connecting portion 221 is movably arranged in the connecting hole, and the two ends of the connecting portion 221 are respectively located on both sides of the connecting plate 21 in the thickness direction, one end of the connecting portion 221 is connected to the control board 23, and the demolding portion 222 is connected to the other end of the connecting portion 221, and the cross-sectional area of ​​the demolding portion 222 is larger than the cross-sectional area of ​​the connecting portion 221.

[0050] It is understandable that the inner peripheral wall of the movable hole can restrict the outer peripheral wall of the connecting portion 221, so that the connecting portion 221 can stably move along the extension direction of the movable hole, thereby achieving the control of the demolding portion 222 to stably move relative to the connecting plate 21 in the thickness direction. The two ends of the connecting portion 221 are respectively connected to the control plate 23 and the corresponding demolding portion 222. The cross-sectional area of ​​the demolding portion 222 is larger than the cross-sectional area of ​​the connecting portion 221. Therefore, when the connecting portion 221 has a tendency to detach from the connecting hole, the control plate 23 and the demolding portion 222 at both ends of the connecting portion 221 can respectively stop at both sides of the connecting plate 21 in the thickness direction, thereby preventing the demolding portion 222 from detaching from the connecting plate 21 through the connecting hole, thereby achieving a stable connection between the demolding plate 22, the connecting plate 21 and the control plate 23, and improving the structural stability of the demolding assembly 20.

[0051] According to some embodiments of the present invention, the width of the forming groove 11 is w1, and the width of the demolding portion 222 is w2, satisfying the following relationship: 1mm≤w1-w2≤3mm. It is understood that the width of the forming groove 11 is at least 1mm larger than the width of the demolding portion 222, but not more than 3mm, to ensure that the demolding portion 222 can provide sufficient support when entering the forming groove 11, while ensuring smooth demolding without damaging the block.

[0052] It is understandable that a certain gap (1mm to 3mm) is retained between the molding groove 11 and the demoulding portion 222. This gap can prevent the demoulding portion 222 from being too tight and getting stuck when entering the molding groove 11, and ensure that there is enough contact surface to push the building block during demoulding.

[0053] It is worth noting that if w1-w2>3mm, that is, if the gap is too large, the block may shake or be unstable during demoulding; if w1-w2<1mm, that is, if the gap is too small, the demoulding part may be stuck in the molding groove, making demoulding difficult or damaging the block.

[0054] Therefore, the above-mentioned arrangement ensures that the demoulding portion 222 will not get stuck when entering the forming groove 11 and can provide sufficient thrust; and the reasonable gap design can reduce the damage to the building blocks during the demoulding process, ensuring the integrity and surface quality of the building blocks; at the same time, by optimizing the width difference, the demoulding efficiency can be improved and the production interruption caused by demoulding difficulties can be reduced.

[0055] Embodiment 5:

[0056] The present invention provides a block production device, comprising: a base plate 2; a mold assembly 1, wherein the mold assembly 1 is constructed as the mold assembly 1 for block production described in any one of the above embodiments, wherein the mold assembly 1 is movably connected to the base plate 2, and the mold assembly 1 moves to selectively overlap the base plate 2; and a pressing plate 3, wherein the pressing plate 3 is movably arranged above the base plate 2. When the mold assembly 1 overlaps the base plate 2, the pressing plate 3 moves toward the base plate 2 in the height direction and cooperates with the mold assembly 1 to squeeze the raw materials in the forming groove 11 into blocks. Since the block production device according to the present invention is provided with the mold assembly 1 for block production of the above embodiment, the blocks produced by the block production device have high demolding efficiency and good effect, thereby improving the production efficiency and quality of the blocks produced by the block production device.

[0057] According to some embodiments of the present invention, a plurality of spacers 32 corresponding one-to-one to the forming grooves 11 are provided on the side of the pressing plate 3 facing the bottom plate 2 , and the spacers 32 can be selectively received in the corresponding forming grooves 11 .

[0058] It can be understood that the pressing plate 3 is provided with multiple groups of spacer blocks 32, and the multiple groups of spacer blocks 32 are arranged at intervals in the width direction, and the multiple groups of spacer blocks 32 are arranged in a one-to-one correspondence with the multiple forming grooves 11. Each group of spacer blocks 32 includes multiple spacer blocks 32, and the multiple spacer blocks 32 of each group are arranged at intervals in the length direction. Adjacent spacer blocks 32 and the forming grooves 11 can together form a restriction on the raw materials of the building blocks, that is, a building block can be formed between two adjacent spacer blocks 32. Therefore, the above-mentioned setting can increase the number of building blocks formed, thereby improving the production efficiency of the building blocks.

[0059] In some embodiments, the block production device also includes a conveyor belt, which is spaced apart from the base in the length direction. After the blocks are formed, the mold assembly 1 can move relative to the base plate 2 in the length direction and the height direction, so as to realize the conveyance of multiple blocks in the forming groove 11 to the conveyor belt. Subsequently, the blocks are demolded by the demolding assembly 20, avoiding the need to manually transfer the blocks to the conveyor belt after demolding, thereby further improving the production efficiency of the blocks.

[0060] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A mold assembly for block production, characterized in that: include: A mold body (10), wherein a plurality of forming grooves (11) extending in the height direction are provided in the mold body (10), and the plurality of forming grooves (11) extend in the length direction and are spaced apart in the width direction; A demoulding assembly (20), wherein the demoulding assembly (20) is rotatably connected to the mold body (10), and the demoulding assembly (20) has a plurality of moving parts, wherein the plurality of moving parts are respectively arranged in a one-to-one correspondence with the plurality of molding grooves (11), and the moving parts can selectively move relative to the demoulding assembly (20); wherein When the demoulding assembly (20) rotates to face the mold body (10) in the height direction, the moving part moves relative to the demoulding assembly (20) to selectively accommodate at least part of itself in the corresponding molding groove (11).

2. The mold assembly for block production according to claim 1, characterized in that: The demoulding assembly (20) comprises: a connecting plate (21), the connecting plate (21) being rotatably connected to the mold body (10); The stripping plate (22) is constructed as the moving part, and a plurality of the stripping plates (22) are respectively connected to the connecting plate (21) in a movably manner. The stripping plates (22) can selectively move relative to the connecting plate (21) in a height direction.

3. The mold assembly for block production according to claim 2, characterized in that: The connecting plate (21) is provided with a plurality of connecting holes corresponding to the plurality of stripping plates (22) one by one, and portions of the plurality of stripping plates (22) are respectively movably arranged in the corresponding connecting holes. The stripping assembly (20) further comprises: A control panel (23), the control panel (23) being located on a side of the connecting panel (21) facing away from the mold body (10); wherein One end of each of the stripping plates (22) passes through the corresponding connection holes and is connected to the control board (23).

4. The mold assembly for block production according to claim 3, characterized in that: The stripping plate (22) comprises: a connecting portion (221), the connecting portion (221) being movably disposed in the connecting hole, and having two ends of the connecting portion (221) respectively located on two sides of the connecting plate (21) in a thickness direction, and one end of the connecting portion (221) being connected to the control plate (23); A demoulding portion (222), wherein the demoulding portion (222) is connected to the other end of the connecting portion (221), and the cross-sectional area of ​​the demoulding portion (222) is larger than the cross-sectional area of ​​the connecting portion (221).

5. The mold assembly for block production according to claim 4, characterized in that: The width of the molding groove (11) is w1, and the width of the demoulding portion (222) is w2, satisfying: 1mm≤w1-w2≤3mm.

6. The mold assembly for block production according to claim 2, characterized in that: One end of the connecting plate (21) is rotatably connected to one end of the mold body (10), the other end of the connecting plate (21) is provided with a first overlapping portion, and the other end of the mold body (10) is provided with a second overlapping portion (12), and the first overlapping portion can selectively abut against the second overlapping portion (12).

7. A block production device, characterized in that: include: bottom plate (2); A mold assembly, the mold assembly being constructed as the mold assembly for block production according to any one of claims 1 to 6, the mold assembly being movably connected to the base plate (2), and the mold assembly being movable to selectively overlap the base plate (2); A pressing plate (3) is movably arranged above the base plate (2). When the mold assembly is overlapped with the base plate (2), the pressing plate (3) moves toward the base plate (2) in a height direction and cooperates with the mold assembly to squeeze the raw materials in the forming groove (11) into blocks.

8. The block production device according to claim 7, characterized in that: A plurality of spacers (32) corresponding one to one with the forming grooves (11) are provided on one side of the pressing plate (3) facing the bottom plate (2), and the spacers (32) can be selectively accommodated in the corresponding forming grooves (11).

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